A new antenna mast was installed at VU2SWX ham radio station. The Mast is approximately at a height of 18 meters from ground level. The following photographs show the installation. The base of the mast. It consists of 1.5m 2 inch GI pipe fixed on parapet. It is also bolted to the side wall. The … Continue reading New Antenna mast at VU2SWX
Category: Ham Radio
Building Bitx part-1
Technorati Tags: bitx40 trifilar transformer winding Bitx 20 is a cute QRP transceiver for 20m. The original Bitx 20 was developed by Indian engineer Ashar Frahan. The details of the circuit and other details are available at his website. There is an active yahoo group for bitx builders and there are several mods and… Continue reading Building Bitx part-1
Software defined radio with web interface
The folks at University of Twente has installed a software defined radio receiver and connected the same to internet. I have been listening to this radio for quite some time now. You don’t need an amateur license to listen 😀 to it.( so give it a try) The receiver can be accessed from here .… Continue reading Software defined radio with web interface
Faded Dream : A poem by OM VU2JN
This evening I had an eyeball with OM VU2JN, Prof. R Jayaraman. He has given me several of his articles published in 1970s and kindly permitted me to put them on Internet. Among them, this unpublished poem on ham radio attracted me the most. The photograph shows VU2JN along with his son Ram. VU2JN can… Continue reading Faded Dream : A poem by OM VU2JN
Building stable variable freqency oscillators- Some considerations.
A stable variable frequency oscillator is the heart of any home brewed ham radio gear. This article will describe various aspects of choosing circuits , components and construction Choosing a VFO circuit. Variable Frequency Oscillators (VFO) are used is almost all ham gear.A stable and reliable VFO is the dream of any homebrewer Any circuit… Continue reading Building stable variable freqency oscillators- Some considerations.